Cyrtosia Blume
Habit: saprophytic herbs
Rhizome: noded, with fleshy roots
Tuber: present
Stem: without leaf
Inflorescence: type: raceme, panicle
Inflorescence: position: terminal or subterminal
Inflorescence: other characteristics: rachis pubescent or zigzagged flexuose or winged
Sepal: abaxially hairy
Petal: base connivent to sepals or with claw
Labellum: adnate to column, not lobed
Column: without column foot
Pollinia: number: 2
Pollinia: other characteristics: granular-farinaceous, without appendage
Fruit:type: fleshy
Fruit: other characteristics: indehiscent
Seed: with thick testa, wingless, winged